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drop tank
drop tank n (Aeronautics) an external aircraft tank, usually containing fuel, that can be detached and dropped in flight drop tank
drop tank[′dräp ‚taŋk] (aerospace engineering) A fuel tank on an airplane that may be jettisoned. drop tankThe auxiliary fuel tank(s) carried externally either under the wing (normally referred to as wing drop tank) or fuselage (called belly drop tank and which can be jettisoned, if so desired. Fuel is consumed from drop tanks first and from the aircraft internal tanks later, so that the drop tanks can be jettisoned, if so required. |